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COMBINATORICS
1999
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14 years 7 days ago
Derivative Polynomials, Euler Polynomials, and Associated Integer Sequences
Let Pn and Qn be the polynomials obtained by repeated differentiation of the tangent and secant functions respectively. From the exponential generating functions of these polynomia...
Michael E. Hoffman
ARSCOM
2005
59views more  ARSCOM 2005»
14 years 14 days ago
Simultaneous Avoidance Of Generalized Patterns
In [BabStein] Babson and Steingr
Sergey Kitaev, Toufik Mansour